All microorganisms require
A) carbon, iron, and sodium.
B) phosphorus, aluminum, and sodium.
C) calcium, potassium, and magnesium.
D) phosphorus, selenium, and sulfur.
Answer: D
You might also like to view...
A mutation in the RecC subunit of the RecBCD complex would likely have what effect?
A. The enzyme would be unable to recognize chi sites, unwinding and degrading both strands. B. The 3'-ending strand would be degraded faster than the 5'-ending strand. C. The enzyme would not be able to bind RecA. D. The enzyme would be unable to carry out its major function, which is fork regression. E. The enzyme would be able to perform strand invasion without RecA.
An explanation for a biological process that is substantiated by a large body of evidence is called a
A. hypothesis. B. theory. C. systems biology. D. reductionism. E. prediction.
the main substrates for gluconeogenesis are the three carbon long molecules of alanine, glycerol, and _________
Fill in the blank(s) with the appropriate word(s).
If you chew on a piece of bread long enough, it will begin to taste sweet because
A) lipases are forming fatty acids. B) disaccharidases are forming glucose. C) maltase is breaking down maltose. D) proteases are forming amino acids. E) amylase is breaking down starches into disaccharides.